"A chair in a dark room" is the metaphor. It represents the unknown variable. Turn on the light, and you've moved on to another topic.Hold your horses.
Are you telling me that after having illuminated the room, it is till uncertain whether there is a chair or not? Must be, if Joe and Alice do not know what a chair is. They have to know what a chair is before we can resolve the issue by sheding light in the room.
If not, who can say whether there is, indeded, a chair in the room?
Ciao
- viole
Edit: For Joe to say "there either is or is not a chair," is possibility. To say, "there is a chair and Joe is either right or wrong," is simple realism (asserting that something unknown still has a truth value). The alternative is to recognize that "there is a chair in the room or no chair in the room" has no actual truth value while the lights are out, and refrain from making a fool of yourself should the lights come on and you are standing in Central Park.
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